121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#define BOOST_TEST_MODULE TestMersenneTwisterEngine
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#include <boost/test/unit_test.hpp>
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#include <boost/compute/random/mersenne_twister_engine.hpp>
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#include <boost/compute/container/vector.hpp>
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#include "check_macros.hpp"
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#include "context_setup.hpp"
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BOOST_AUTO_TEST_CASE(generate_uint)
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{
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using boost::compute::uint_;
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boost::compute::mt19937 rng(queue);
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boost::compute::vector<uint_> vector(10, context);
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rng.generate(vector.begin(), vector.end(), queue);
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CHECK_RANGE_EQUAL(
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uint_, 10, vector,
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(uint_(3499211612),
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uint_(581869302),
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uint_(3890346734),
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uint_(3586334585),
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uint_(545404204),
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uint_(4161255391),
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uint_(3922919429),
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uint_(949333985),
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uint_(2715962298),
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uint_(1323567403))
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);
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}
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BOOST_AUTO_TEST_CASE(discard_uint)
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{
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using boost::compute::uint_;
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boost::compute::mt19937 rng(queue);
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boost::compute::vector<uint_> vector(5, context);
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rng.discard(5, queue);
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rng.generate(vector.begin(), vector.end(), queue);
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CHECK_RANGE_EQUAL(
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uint_, 5, vector,
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(uint_(4161255391),
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uint_(3922919429),
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uint_(949333985),
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uint_(2715962298),
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uint_(1323567403))
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);
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}
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BOOST_AUTO_TEST_CASE(copy_ctor)
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{
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using boost::compute::uint_;
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boost::compute::mt19937 rng(queue);
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boost::compute::mt19937 rng_copy(rng);
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boost::compute::vector<uint_> vector(10, context);
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rng_copy.generate(vector.begin(), vector.end(), queue);
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CHECK_RANGE_EQUAL(
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uint_, 10, vector,
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(uint_(3499211612),
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uint_(581869302),
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uint_(3890346734),
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uint_(3586334585),
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uint_(545404204),
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uint_(4161255391),
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uint_(3922919429),
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uint_(949333985),
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uint_(2715962298),
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uint_(1323567403))
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);
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}
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BOOST_AUTO_TEST_CASE(assign_op)
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{
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using boost::compute::uint_;
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boost::compute::mt19937 rng(queue);
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boost::compute::mt19937 rng_copy(queue);
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boost::compute::vector<uint_> vector(10, context);
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rng_copy.discard(5, queue);
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rng_copy = rng;
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rng_copy.generate(vector.begin(), vector.end(), queue);
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CHECK_RANGE_EQUAL(
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uint_, 10, vector,
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(uint_(3499211612),
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uint_(581869302),
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uint_(3890346734),
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uint_(3586334585),
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uint_(545404204),
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uint_(4161255391),
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uint_(3922919429),
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uint_(949333985),
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uint_(2715962298),
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uint_(1323567403))
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);
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}
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BOOST_AUTO_TEST_SUITE_END()
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